252456826 has 4 divisors (see below), whose sum is σ = 378685242. Its totient is φ = 126228412.

The previous prime is 252456797. The next prime is 252456829. The reversal of 252456826 is 628654252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 248850625 + 3606201 = 15775^2 + 1899^2 .

It is not an unprimeable number, because it can be changed into a prime (252456829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63114205 + ... + 63114208.

Almost surely, 2^252456826 is an apocalyptic number.

252456826 is a deficient number, since it is larger than the sum of its proper divisors (126228416).

252456826 is a wasteful number, since it uses less digits than its factorization.

252456826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126228415.

The product of its digits is 230400, while the sum is 40.

The square root of 252456826 is about 15888.8900178710. The cubic root of 252456826 is about 632.0174062530.

The spelling of 252456826 in words is "two hundred fifty-two million, four hundred fifty-six thousand, eight hundred twenty-six".